To confirm the registration of a Dendrobium hybrid & view its composition/progeny: (Database as at 1 January 2018 RHS registrations)
Den. Joan Kushima= Jaquelyn Thomas x phalaenopsis ( has 17 hybrid progeny ) registered: 1/01/1955 by Kushima H.
ANOS judging segment: Australasian (Section Phalaenanthe / Spatulata )
Note: pollen parent as Den. phalaenopsis a synonym of Den. bigibbum var. superbum.
Species composition summary:
Den. Joan Kushima = Jaquelyn Thomas x phalaenopsis = [gouldii x phalaenopsis] x phalaenopsis